Winter Storm Warning issued January 12 at 7:24PM MST until January 13 at 5:00AM MST by NWS Billings MT
* WHAT...Heavy snow and periods of blowing snow continue. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 30 mph at times. * WHERE...Sheridan Foothills. * WHEN...Until 5 AM MST Monday. * IMPACTS...Plan on very difficult travel conditions with snow covered roads, blowing and drifting snow, poor visibility, and gusty winds. This includes I-90 from Aberdeen Hill to Piney Creek. * ADDITIONAL DETAILS...The heaviest snow accumulations will be in the higher hills northwest and south of the City of Sheridan. Another period of light snow is expected Monday.
Winter Weather Advisory issued January 11 at 5:01PM MST until January 12 at 11:00AM MST by NWS Rapid City SD
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 45 mph. * WHERE...Northern Campbell and Western Crook. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. Plan on slippery road conditions. Gusty winds could bring down tree branches.
Winter Weather Advisory issued January 11 at 4:49PM MST until January 13 at 5:00AM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations of 4 to 10 inches. Remote locations in the far northern and southern portions of the Bighorn range may see amounts exceeding 18 inches. Winds may gust as high as 45 mph at times. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult especially along Highway 14 and over Granite Pass, as well as along Highway 16 over Powder River Pass. Strong gusty winds may significantly reduce visibility at times.
Winter Weather Advisory issued January 11 at 4:49PM MST until January 12 at 11:00PM MST by NWS Riverton WY
* WHAT...Snow. Total snow accumulations between 1 and 4 inches. Winds gusting as high as 50 mph. * WHERE...Northeast Johnson County. * WHEN...Until 11 PM MST Sunday. * IMPACTS...Plan on slippery road conditions. Strong gusty winds of 30 to 40 mph may create blowing snow and periods of reduced visibilities.
Winter Weather Advisory issued January 11 at 4:49PM MST until January 12 at 5:00AM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations of 1 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Casper Mountain. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be difficult, especially in the backcountry.
Winter Storm Warning issued January 11 at 5:01PM MST until January 12 at 5:00PM MST by NWS Rapid City SD
* WHAT...Heavy snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 40 mph. * WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming Black Hills. * WHEN...Until 5 PM MST Sunday. * IMPACTS...Roads will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. Plan on slippery road conditions.
Winter Storm Warning issued January 11 at 10:47AM MST until January 11 at 11:00PM MST by NWS Cheyenne WY
* WHAT...Snow and blowing expected. Total snow accumulations between 10 and 16 inches possible, especially on north and west facing slopes above 8500 feet. Winds could gust as high as 60 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 11 PM MST this evening. * IMPACTS...Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly. Travel could be very difficult to impossible.
Winter Weather Advisory issued January 11 at 5:01PM MST until January 12 at 5:00AM MST by NWS Rapid City SD
* WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 55 mph. * WHERE...Northern Foothills and Sturgis/Piedmont Foothills. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. Plan on slippery road conditions.
Winter Weather Advisory issued January 11 at 2:46PM MST until January 12 at 5:00AM MST by NWS Albuquerque NM
* WHAT...Snow expected. Total snow accumulations up to two inches, except up to 3 inches on higher peaks. * WHERE...Johnson and Bartlett Mesas Including Raton Pass. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Plan on snow packed or icy road conditions. This includes portions of I-25. * ADDITIONAL DETAILS...Motorists planning to travel on I-25 through Raton Pass or along US 64/87 near Capulin and Des Moines should be prepared for difficult driving conditions.
Winter Weather Advisory issued January 11 at 4:39PM MST until January 11 at 11:00PM MST by NWS Glasgow MT
* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...A portion of northeast Montana south of the Missouri River. * WHEN...Until 11 PM MST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions.